Check:
https://supportcommunity.milestonesys.com/KBRedir?art=000064000&lang=en_US
(XProtect 2024 R2 cumulative patch installers -- version 24.2c, latest)
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Older release -- 24.2b (no longer updated):

Management Server (2024.12.20):
https://milestonedownload.blob.core.windows.net/files/Hotfixes/24.2/ManagementServer/Mileston e.Hotfix.202412130750.MS.24.2.13454.1264.exe
https://milestonedownload.blob.core.windows.net/files/Hotfixes/24.2/ManagementServer/Milestone.Hotfix.202412130750.MS.24.2.13454.1264.exe.integrity.xml
https://milestonedownload.blob.core.windows.net/files/Hotfixes/24.2/ManagementServer/Milestone.Hotfix.202412130750.MS.24.2.13454.1264.ReleaseNotes.txt

Event Server (2025.01.07):
https://milestonedownload.blob.core.windows.net/files/Hotfixes/24.2/EventServer/Milestone.Hotfix.202412161152.ES.24.2.13454.1268.exe
https://milestonedownload.blob.core.windows.net/files/Hotfixes/24.2/EventServer/Milestone.Hotfix.202412161152.ES.24.2.13454.1268.exe.integrity.xml
https://milestonedownload.blob.core.windows.net/files/Hotfixes/24.2/EventServer/Milestone.Hotfix.202412161152.ES.24.2.13454.1268.ReleaseNotes.txt